Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{COMIM_2002__10_1_a3, author = {Jackson, Terence}, title = {Quaternary quadratic forms and an associated lattice constant}, journal = {Communications in Mathematics}, pages = {43--48}, publisher = {mathdoc}, volume = {10}, number = {1}, year = {2002}, mrnumber = {1943022}, zbl = {1051.11032}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2002__10_1_a3/} }
Jackson, Terence. Quaternary quadratic forms and an associated lattice constant. Communications in Mathematics, Tome 10 (2002) no. 1, pp. 43-48. http://geodesic.mathdoc.fr/item/COMIM_2002__10_1_a3/